177 lines
5.4 KiB
Python
177 lines
5.4 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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openslides.projector.signals
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Signals for the projector app.
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:copyright: 2011–2013 by OpenSlides team, see AUTHORS.
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:license: GNU GPL, see LICENSE for more details.
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"""
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from time import time
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from django.contrib.staticfiles.templatetags.staticfiles import static
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from django.core.context_processors import csrf
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from django.dispatch import receiver, Signal
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from django.template.loader import render_to_string
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from openslides.config.api import config, ConfigPage, ConfigVariable
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from openslides.config.signals import config_signal
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from .projector import Overlay
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projector_overlays = Signal(providing_args=['request'])
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@receiver(config_signal, dispatch_uid='setup_projector_config_variables')
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def config_variables(sender, **kwargs):
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"""
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Projector config variables for OpenSlides. They are not shown on a
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config page.
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"""
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# The active slide. The config-value is a dictonary with at least the entry
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# 'callback'.
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projector = ConfigVariable(
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name='projector_active_slide',
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default_value={'callback': None})
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projector_message = ConfigVariable(
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name='projector_message',
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default_value='')
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countdown_time = ConfigVariable(
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name='countdown_time',
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default_value=60)
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countdown_start_stamp = ConfigVariable(
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name='countdown_start_stamp',
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default_value=0)
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countdown_pause_stamp = ConfigVariable(
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name='countdown_pause_stamp',
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default_value=0)
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countdown_state = ConfigVariable(
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name='countdown_state',
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default_value='inactive')
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projector_scale = ConfigVariable(
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name='projector_scale',
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default_value=0)
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projector_scroll = ConfigVariable(
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name='projector_scroll',
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default_value=0)
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projector_js_cache = ConfigVariable(
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name='projector_js_cache',
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default_value={})
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projector_active_overlays = ConfigVariable(
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name='projector_active_overlays',
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default_value=[])
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return ConfigPage(
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title='No title here', url='bar', required_permission=None, variables=(
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projector, projector_message,
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countdown_time, countdown_start_stamp, countdown_pause_stamp,
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countdown_state, projector_scale, projector_scroll,
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projector_active_overlays, projector_js_cache))
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@receiver(projector_overlays, dispatch_uid="projector_countdown")
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def countdown(sender, **kwargs):
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"""
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Receiver for the countdown.
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"""
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name = 'projector_countdown'
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request = kwargs.get('request', None)
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def get_widget_html():
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"""
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Returns the the html-code to show in the overly-widget.
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"""
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context = {
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'countdown_time': config['countdown_time'],
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'countdown_state': config['countdown_state']}
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context.update(csrf(request))
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return render_to_string('projector/overlay_countdown_widget.html',
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context)
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def get_projector_js():
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"""
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Returns JavaScript for the projector
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"""
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start = int(config['countdown_start_stamp'])
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duration = int(config['countdown_time'])
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pause = int(config['countdown_pause_stamp'])
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state = config['countdown_state']
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return {
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'load_file': static('javascript/countdown.js'),
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'projector_countdown_start': start,
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'projector_countdown_duration': duration,
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'projector_countdown_pause': pause,
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'projector_countdown_state': state}
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def get_projector_html():
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"""
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Returns an html-code to show on the projector.
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"""
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return render_to_string('projector/overlay_countdown_projector.html')
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return Overlay(name, get_widget_html, get_projector_html, get_projector_js)
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@receiver(projector_overlays, dispatch_uid="projector_overlay_message")
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def projector_overlay_message(sender, **kwargs):
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"""
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Receiver to show the overlay_message on the projector or the form in the
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overlay-widget on the dashboard.
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"""
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name = 'projector_message'
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request = kwargs.get('request', None)
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def get_widget_html():
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"""
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Returns the the html-code to show in the overly-widget.
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"""
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return render_to_string('projector/overlay_message_widget.html', csrf(request))
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def get_projector_html():
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"""
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Returns an html-code to show on the projector.
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"""
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if config['projector_message']:
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return render_to_string('projector/overlay_message_projector.html',
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{'message': config['projector_message']})
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return None
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return Overlay(name, get_widget_html, get_projector_html)
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@receiver(projector_overlays, dispatch_uid="projector_clock")
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def projector_clock(sender, **kwargs):
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"""
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Receiver to show the clock on the projector.
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"""
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name = 'projector_clock'
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def get_projector_html():
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"""
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Returns the html-code for the clock.
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"""
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return render_to_string('projector/overlay_clock_projector.html')
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def get_projector_js():
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"""
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Returns JavaScript for the projector
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"""
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return {'load_file': static('javascript/clock.js'),
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'server_time': int(time())}
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return Overlay(name, None, get_projector_html, get_projector_js,
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allways_active=True)
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